Year 3 Knowledge Organiser: Light

Skills• recognise that to see objects there needs to be light and dark is the absence of light• To classify objects as transparent, translucent or opaque dependant on the amount of light travelling through the• find patterns in the way that the size of shadows change• To classify materials as reflective or non-reflective

Knowledge

• to know that light can come from a variety of sources both man made and natural.• To know that to see an object light is reflected from its surface and into the eye• To know that light from the Sun can be dangerous and eyes need to be protected• To know that shadows are formed when an object blocks the path of light

Light: Year 3 Science Knowledge Mat

Facts about LightThe light from the Sun can damage our eyes if we look directly at it. We should wear sunglasses to protect our eyes.Light travels in straight lines.Our eyes see objects because the light reflects of the surface.Some objects are more visible because the surface is more reflective.If there is no light, we can’t see anything.Shadows are created when objects get in the way of path of the light.The Sun is the largest natural light source

Subject Specific Vocabulary

Light Something that makes us able to see things

light source something that gives out light e.g. the Sun

dark where there is no light

absence of light when it is dark

transparent Can be seen completely through

translucent light can be seen through it a little bit

opaque can’t be seen through at all.

shiny Having a glossy polished surface

matt Dull non shiny surface

surface the outside of an object

shadow created behind an object is between the path of light

reflect Light bounces off a surface

mirror Smooth surface that reflects an image

sunlight Light emitted (coming)) from the Sun

dangerous Likely to cause harm, not safe

Exciting Books

All about Light (All about Science) Paperback – 1 Jan 2016by Angela Royston(Author)

Useful Websites

ttps://www.bbc.co.uk/bitesize/topics/zbssgk7

https://www.ducksters.com/science/light.php

https://www.youtube.com/watch?v=1PsHHKwtXQU